On Tue, May 8, 2018 at 5:11 PM, Catalin Marinas wrote:
> On Wed, May 02, 2018 at 07:25:17PM +0200, Andrey Konovalov wrote:
>> On Wed, May 2, 2018 at 5:36 PM, Kirill A. Shutemov
>> wrote:
>> > On Wed, May 02, 2018 at 02:38:42PM +, Andrey Konovalov wrote:
>> >> > Does having a tagged address he
Le 11/05/2018 à 12:06, Alastair D'Silva a écrit :
-Original Message-
From: Frederic Barrat
Sent: Friday, 11 May 2018 7:25 PM
To: Alastair D'Silva ; linuxppc-...@lists.ozlabs.org
Cc: linux-ker...@vger.kernel.org; linux-doc@vger.kernel.org;
mi...@neuling.org; vaib...@linux.vnet.ibm.com
> -Original Message-
> From: Frederic Barrat
> Sent: Friday, 11 May 2018 7:25 PM
> To: Alastair D'Silva ; linuxppc-...@lists.ozlabs.org
> Cc: linux-ker...@vger.kernel.org; linux-doc@vger.kernel.org;
> mi...@neuling.org; vaib...@linux.vnet.ibm.com;
> aneesh.ku...@linux.vnet.ibm.com; ma...@
Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
From: Alastair D'Silva
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
Documentation/accelerators/ocxl.rst | 11 +++
1 file changed, 11 insertions(+)
diff --git a/Documentation/accelerators/ocxl.rst
b/Document
Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
From: Alastair D'Silva
In order for a userspace AFU driver to call the POWER9 specific
OCXL_IOCTL_ENABLE_P9_WAIT, it needs to verify that it can actually
make that call.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
d
Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
From: Alastair D'Silva
In order to successfully issue as_notify, an AFU needs to know the TID
to notify, which in turn means that this information should be
available in userspace so it can be communicated to the AFU.
Signed-off-by: Alastair
Le 11/05/2018 à 08:12, Alastair D'Silva a écrit :
From: Alastair D'Silva
The current implementation of TID allocation, using a global IDR, may
result in an errant process starving the system of available TIDs.
Instead, use task_pid_nr(), as mentioned by the original author. The
scenario descr
Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
From: Alastair D'Silva
The function removes the process element from NPU cache.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
arch/powerpc/include/asm/pnv-ocxl.h | 2 +-
arch/powerpc/platforms/powernv/ocxl.c | 4 ++-
Le 11/05/2018 à 08:12, Alastair D'Silva a écrit :
From: Alastair D'Silva
Switch the use of TIDR on it's CPU feature, rather than assuming it
is available based on architecture.
Signed-off-by: Alastair D'Silva
---
Reviewed-by: Frederic Barrat
arch/powerpc/kernel/process.c | 6 +++---
Le 11/05/2018 à 08:12, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch adds a CPU feature bit to show whether the CPU has
the TIDR register available, enabling as_notify/wait in userspace.
Signed-off-by: Alastair D'Silva
---
Reviewed-by: Frederic Barrat
arch/powerpc/in
> Am 10.05.2018 um 18:42 schrieb Mauro Carvalho Chehab
> :
>
> Em Thu, 10 May 2018 09:38:46 -0600
> Jonathan Corbet escreveu:
>
>> On Thu, 10 May 2018 11:21:13 -0300
>> Mauro Carvalho Chehab wrote:
>>
>>> The problem with a hint-based mechanism is that it will generate
>>> false hints. If ad
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